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gf-core/src/GF/Devel/Compile/Compile.hs

206 lines
6.8 KiB
Haskell

module GF.Devel.Compile.Compile (batchCompile) where
-- the main compiler passes
import GF.Devel.Compile.GetGrammar
import GF.Devel.Compile.Extend
import GF.Devel.Compile.Rename
import GF.Devel.Compile.CheckGrammar
import GF.Devel.Compile.Refresh
import GF.Devel.Compile.Optimize
import GF.Devel.Compile.Factorize
import GF.Devel.Grammar.Grammar
import GF.Devel.Grammar.Construct
import GF.Infra.Ident
import GF.Devel.Grammar.PrGF
----import GF.Devel.Grammar.Lookup
import GF.Devel.Infra.ReadFiles
import GF.Infra.Option ----
import GF.Data.Operations
import GF.Devel.UseIO
import GF.Devel.Arch
import Control.Monad
import System.Directory
batchCompile :: Options -> [FilePath] -> IO GF
batchCompile opts files = do
let defOpts = addOptions opts (options [emitCode])
egr <- appIOE $ foldM (compileModule defOpts) emptyCompileEnv files
case egr of
Ok (_,gr) -> return gr
Bad s -> error s
-- to output an intermediate stage
intermOut :: Options -> Option -> String -> IOE ()
intermOut opts opt s =
if oElem opt opts || oElem (iOpt "show_all") opts
then
ioeIO (putStrLn ("\n\n--#" +++ prOpt opt) >> putStrLn s)
else
return ()
prMod :: SourceModule -> String
prMod = prModule
-- | the environment
type CompileEnv = (Int,GF)
-- | compile with one module as starting point
-- command-line options override options (marked by --#) in the file
-- As for path: if it is read from file, the file path is prepended to each name.
-- If from command line, it is used as it is.
compileModule :: Options -> CompileEnv -> FilePath -> IOE CompileEnv
compileModule opts1 env file = do
opts0 <- ioeIO $ getOptionsFromFile file
let useFileOpt = maybe False (const True) $ getOptVal opts0 pathList
let useLineOpt = maybe False (const True) $ getOptVal opts1 pathList
let opts = addOptions opts1 opts0
let fpath = dropFileName file
ps0 <- ioeIO $ pathListOpts opts fpath
let ps1 = if (useFileOpt && not useLineOpt)
then (ps0 ++ map (combine fpath) ps0)
else ps0
ps <- ioeIO $ extendPathEnv ps1
let ioeIOIf = if oElem beVerbose opts then ioeIO else (const (return ()))
ioeIOIf $ putStrLn $ "module search path:" +++ show ps ----
let sgr = snd env
let rfs = [] ---- files already in memory and their read times
let file' = if useFileOpt then takeFileName file else file -- find file itself
files <- getAllFiles opts ps rfs file'
ioeIOIf $ putStrLn $ "files to read:" +++ show files ----
let names = map justModuleName files
ioeIOIf $ putStrLn $ "modules to include:" +++ show names ----
let sgr2 = sgr ----MGrammar [m | m@(i,_) <- modules sgr,
---- notElem (prt i) $ map dropExtension names]
let env0 = (0,sgr2)
(e,mm) <- foldIOE (compileOne opts) env0 files
maybe (return ()) putStrLnE mm
return e
compileOne :: Options -> CompileEnv -> FullPath -> IOE CompileEnv
compileOne opts env@(_,srcgr) file = do
let putp s = putPointE opts ("\n" ++ s)
let putpp = putPointEsil opts
let putpOpt v m act
| oElem beVerbose opts = putp v act
| oElem beSilent opts = putpp v act
| otherwise = ioeIO (putStrFlush ("\n" ++ m)) >> act
let gf = takeExtensions file
let path = dropFileName file
let name = dropExtension file
let mos = gfmodules srcgr
case gf of
-- for compiled gf, read the file and update environment
-- also undo common subexp optimization, to enable normal computations
".gfn" -> do
sm0 <- putp ("+ reading" +++ file) $ getSourceModule opts file
let sm1 = unsubexpModule sm0
sm <- {- putp "creating indirections" $ -} ioeErr $ extendModule srcgr sm1
extendCompileEnv env sm
-- for gf source, do full compilation and generate code
_ -> do
let modu = dropExtension file
b1 <- ioeIO $ doesFileExist file
if not b1
then compileOne opts env $ gfoFile $ modu
else do
sm0 <-
putpOpt ("- parsing" +++ file) ("- compiling" +++ file ++ "... ") $
getSourceModule opts file
(k',sm) <- compileSourceModule opts env sm0
let sm1 = sm ----
---- if isConcr sm then shareModule sm else sm -- cannot expand Str
if oElem (iOpt "doemit") opts
then putpp " generating code... " $ generateModuleCode opts path sm1
else return ()
---- -- sm is optimized before generation, but not in the env
---- let cm2 = unsubexpModule cm
extendCompileEnvInt env (k',sm) ---- sm1
where
isConcr (_,mi) = case mi of
---- ModMod m -> isModCnc m && mstatus m /= MSIncomplete
_ -> False
compileSourceModule :: Options -> CompileEnv ->
SourceModule -> IOE (Int,SourceModule)
compileSourceModule opts env@(k,gr) mo@(i,mi) = do
intermOut opts (iOpt "show_gf") (prMod mo)
let putp = putPointE opts
putpp = putPointEsil opts
stopIf n comp m =
if any (\k -> oElem (iOpt (show k)) opts) [1..n] then return m else comp m
stopIfV v n comp m =
if any (\k -> oElem (iOpt (show k)) opts) [1..n] then return (m,v) else comp m
moe <- stopIf 1 (putpp " extending" . ioeErr . extendModule gr) mo
intermOut opts (iOpt "show_extend") (prMod moe)
mor <- stopIf 2 (putpp " renaming" . ioeErr . renameModule gr) moe
intermOut opts (iOpt "show_rename") (prMod mor)
(moc,warnings) <-
stopIfV [] 3 (putpp " type checking" . ioeErr . showCheckModule gr) mor
if null warnings then return () else putp warnings $ return ()
intermOut opts (iOpt "show_typecheck") (prMod moc)
(mox,k') <- stopIfV k 4 (putpp " refreshing " . ioeErr . refreshModule k) moc
intermOut opts (iOpt "show_refresh") (prMod mox)
moo <- stopIf 5 (putpp " optimizing " . ioeErr . optimizeModule opts gr) mox
intermOut opts (iOpt "show_optimize") (prMod moo)
mof <- stopIf 6 (putpp " factorizing " . ioeErr . optimizeModule opts gr) moo
intermOut opts (iOpt "show_factorize") (prMod mof)
return (k',moo) ----
generateModuleCode :: Options -> InitPath -> SourceModule -> IOE ()
generateModuleCode opts path minfo@(name,info) = do
let pname = combine path (prt name)
let minfo0 = minfo
let minfo1 = subexpModule minfo0
let minfo2 = minfo1
let (file,out) = (gfoFile pname, prGF (gfModules [minfo2]))
putp (" wrote file" +++ file) $ ioeIO $ writeFile file $ out
return () ----- minfo2
where
putp = putPointE opts
putpp = putPointEsil opts
-- auxiliaries
pathListOpts :: Options -> FileName -> IO [InitPath]
pathListOpts opts file = return $ maybe [file] splitInModuleSearchPath $ getOptVal opts pathList
----reverseModules (MGrammar ms) = MGrammar $ reverse ms
emptyCompileEnv :: CompileEnv
emptyCompileEnv = (0,emptyGF)
extendCompileEnvInt (_,gf) (k,(s,m)) = return (k, addModule s m gf)
extendCompileEnv e@(k,_) sm = extendCompileEnvInt e (k,sm)